Home / 62,940.36-94,388.04-20,812.66

Finding the Fourth Proportional to 62,940.36, 94,388.04 and 20,812.66

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Solution

The fourth proportional to 62,940.36, 94,388.04 and 20,812.66 is: 31,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,940.36 : 94,388.04 = 20,812.66 : x
  2. Step 2: Convert to fraction form
    62,940.36/94,388.04 = 20,812.66/x
  3. Step 3: Cross multiply
    62,940.36x = 94,388.04 × 20,812.66
  4. Step 4: Simplify right side
    62,940.36x = 1,964,466,080.52
  5. Step 5: Solve for x
    x = 1,964,466,080.52/62,940.36
  6. Step 6: Final answer
    x = 31,211.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.